Re: [GCC][PATCH][Aarch64] Exploiting BFXIL when OR-ing two AND-operations with appropriate bitmasks

[Richard Henderson]

On 07/17/2018 06:33 AM, Richard Earnshaw (lists) wrote:
>> (define_predicate "pow2m1_operand"
>>   (and (match_code "const_int")
>>        (match_test "exact_pow2 (INTVAL(op) + 1) > 0")))
> ITYM exact_log2()

Yes of course.  Thanks,


r~